I have removed a thick paper from a ceiling and discovered that looks to have never been treated/painted (must have been plastered some 30years ago when previous owner had done an extension) would like advise now on what paint to apply (ie primer ? Then undercoat and then a final emulsion finishing paint - need to know if the plaster will need a wet coat to obsorb into the plaster. So far I have stripped off the paper and sugar coated and then washed down the plaster a few times in preparation
Painting a plastered ceiling
- Thread starter johnscts
- Start date
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If its raw plaster then a mist coat of emulsion is all that's needed before coating with finishing coats. If in any doubt as to what may be on the ceiling, then a coat of Zinsser Gardz would be the best option first.
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Again thanks for all your advise. I beast to sure that the plaster is at least been on 30 odd years it would be different to plaster that has probably been completed some 6 months before. I have never heard of " Zinsser Gardz " and wonder if that would be a suitable alternative - or maybe a waste of money if the diluted imultion would be just as adequate - again many thanks Robbie for your time. I have now completed the sugar soap and wash down at least twice before the next chapter Kind regards John
"Gardz" is one of the products in the Zinsser range of sealers. Its no particularly cheap but fantastic on surfaces that have been coated with Distemper, a very old form of emulsion. It causes all sorts of problems when painted over. Also if the surface is very dry and powdery.
Again Robbie looks as though " Question Time " is over for me - very last question It is definitely 60% emulsion to 40% water as a mixture for the wetting/soaking - lastly if you could answer that I would be very greatful Regards John
Doesn't have to be spot on that ratio, but the first coat has to be thin to penetrate the plaster. Its not meant to cover the surface to be solid white. The coats after the mist coat can be un thinned until your happy with how solid it looks.
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